53/10-38/1 eching

$$5 \frac { 3 } { 10 } - 3 \frac { 8 } { 1 }$$

Baholash

$$-\frac{57}{10}=-5,7$$

Yechim qadamlari

50 hosil qilish uchun 5 va 10 ni ko'paytirish.

$$\frac{50+3}{10}-\frac{3\times 1+8}{1}$$

53 olish uchun 50 va 3'ni qo'shing.

$$\frac{53}{10}-\frac{3\times 1+8}{1}$$

3 hosil qilish uchun 3 va 1 ni ko'paytirish.

$$\frac{53}{10}-\frac{3+8}{1}$$

11 olish uchun 3 va 8'ni qo'shing.

$$\frac{53}{10}-\frac{11}{1}$$

Har qanday son birga bo‘linganda, natija o‘zi chiqadi.

$$\frac{53}{10}-11$$

11 ni \frac{110}{10} kasrga o‘giring.

$$\frac{53}{10}-\frac{110}{10}$$

\frac{53}{10} va \frac{110}{10} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{53-110}{10}$$

-57 olish uchun 53 dan 110 ni ayirish.

$$-\frac{57}{10}$$

Omil

$$-\frac{57}{10} = -5\frac{7}{10} = -5,7$$